[[1532736000, 1]
,[1532764800, 1]
,[1532772000, 1]
,[1532779200, 2]
,[1532782800, 2]
,[1532786400, 1]
,[1532793600, 1]
,[1532797200, 2]
,[1532800800, 1]
,[1532804400, 1]
,[1532815200, 3]